/ Dictionary / Index S speed-up: Meaning and Definition of Find definitions for: speed-up Pronunciation: (spēd'up"), [key] — n. an increasing of speed. an imposed increase in the rate of production of a worker without a corresponding increase in the rate of pay. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: speed-up (Thesaurus) speed trap speedwalk Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language